Related by context. Frequent words. (Click for all words.) 68 MidAmerican 66 MidAmerican Energy 49 PacifiCorp 48 WPS Resources 48 Alliant Energy Corporation 47 CLP Holdings 47 Invenergy 46 Ameren 46 Otter Tail Power 46 NRG Energy 46 Commonwealth Edison 46 Kansai Electric Power 46 Avista Corp. 46 TransAlta 45 LS Power 45 Xcel Energy 45 United Illuminating 45 Electricite de France 45 NorthWestern 45 DONG Energy 45 nonregulated 44 TransCanada 44 E.ON AG 44 PNM Resources 44 Electric Power 44 China Huaneng 44 Integrys Energy Group 44 Cinergy Corp. 44 Chubu Electric Power 43 Constellation Energy 43 MATL 43 Saudi Electricity 43 Sempra Energy 43 Natural Gas Pipeline 43 BYD 43 Cheung Kong Infrastructure 43 Integrys Energy Services 43 Tenaska 43 Berkshire Hathaway 43 NextEra 43 utility 43 Alliant Energy 43 rural electric cooperatives 43 China Shenhua Energy 43 Sempra Generation 42 EdF 42 RWE AG 42 PSEG Power 42 Buffett Berkshire Hathaway 42 Electric Transmission 42 MDU Resources Group 42 Warren Buffett Berkshire Hathaway 42 electric utilities 42 Yanzhou Coal Mining 42 ITC Holdings 42 NorthWestern Energy 42 Puget Energy 41 Taqa 41 E.ON 41 Northeast Utilities 41 TXU 41 Border Pipeline 41 Public Utilities Commission 41 Sempra Energy NYSE SRE 41 enXco 41 NiSource 41 TransCanada Corp. 41 Exelon Corp. 41 GDF Suez 41 Aquila 40 OGE Energy 40 RWE 40 Pepco Holdings 40 Berkshire Hathaway Inc 40 Gas Transmission 40 Verbund 40 ALLETE 40 Iberdrola SA 40 FBL Financial Group 40 KCP & 40 AmerenIP 40 Allete 40 Sempra 40 NRG 40 Dynegy 40 Horizon Wind 40 Suez SA 40 Allegheny Energy 40 Pepco Holdings Inc. 40 MDU Resources 40 Avista Utilities 40 Exelon 39 Tohoku Electric Power 39 AmerenUE 39 Chubu Electric 39 AGL Energy 39 Statkraft 39 Hydroelectric 39 Calpine 39 Shear Wind 39 Sunflower Electric